Buds, Leaves, and Global Warming Project Tree Species

Malus (pronounced /ˈmeɪlÉ™s/ or /ˈmælÉ™s/), the apples, is a genus of about 30–35 species of small deciduous trees or shrubs in the family Rosaceae. Other studies go as far as 55 species including the domesticated Orchard Apple, or Table apple as it was formerly called (M. domestica, derived from M. sieversii, syn. M. pumila). The other species and subspecies are generally known as "wild apples", "crab apples", "crabapples" or "crabs". less ↑

Prunus serotina, commonly called Black Cherry, Wild Black Cherry, Rum Cherry, or Mountain Black Cherry, is a woody plant species belonging to the genus Prunus. This cherry is native to eastern North America from southern Quebec and Ontario south to Texas and central Florida, with disjunct populations in Arizona and New Mexico, and in the mountains of Mexico and Guatemala. less ↑

The Buckthorns (Rhamnus) are a genus (or two genera, if Frangula is treated as distinct) of about 100 species of shrubs or small trees from 1-10 m tall (rarely to 15 m), in the buckthorn family Rhamnaceae. They are native throughout the temperate and subtropical Northern Hemisphere, and also more locally in the subtropical Southern Hemisphere in parts of Africa and South America. Some species are invasive outside their natural ranges. less ↑

Ulmus americana, generally known as the American Elm or, less commonly, as the White Elm or Water Elm, is a species native to eastern North America, occurring from Nova Scotia west as far as British Columbia, from northern Alberta at the top of its range, south to Florida and central Texas. It is an extremely hardy tree that can withstand winter temperatures as low as −42 °C (−44 °F). Trees in areas unaffected by Dutch elm... less ↑

The Slippery Elm Ulmus rubra is a species of elm native to eastern North America (from southeast North Dakota, east to southern Quebec, south to northernmost Florida, and west to eastern Texas). It is similar to American Elm in general appearance, but more closely related to the European Wych Elm, which has a very similar flower structure. Other common names include Red Elm, Gray Elm, Soft Elm, Moose Elm and Indian Elm. less ↑

Crataegus monogyna, known as Common Hawthorn, is a species of hawthorn native to Europe, northwest Africa and western Asia. Other common names include may, mayblossom, maythorn, quickthorn, whitethorn, motherdie, and haw. This species is one of several that have been referred to as Crataegus oxyacantha, a name that has been rejected by the botanical community as too ambiguous. less ↑

The Pin cherry or Fire cherry (Prunus pensylvanica) is a species in the genus Prunus. It can be found from Newfoundland and southern Labrador, crossing Canada to the west and reaching British Columbia and the southern Northwest Territories. Additionally it is very common in New England and the Lake States but not very common south of Pennsylvania, where it is found only sporadically in the Appalachian Mountains to northern Georgia and eastern Tennessee. Scattered growth of... less ↑